Elemental Composition of the Human Body by Mass

This is a table of the elemental composition of the human body by mass for a 70 kg (154 lb) person. The values for any particular person may be different, especially for the trace elements. Also, the element composition does not scale linearly. For example, a person who is half the mass may not contain half the amount of a given element. The molar amount of the most abundant elements is given in the table. You may also wish to view the element composition of the human body in terms of mass percent. Reference: Emsley, John, The Elements, 3rd ed., Clarendon Press, Oxford, 1998 Table of Elements in the Human Body by Mass oxygen 43 kg (61%, 2700 mol) carbon 16 kg (23%, 1300 mol) hydrogen 7 kg (10%, 6900 mol) nitrogen 1.8 kg (2.5%, 129 mol) calcium 1.0 kg (1.4%, 25 mol) phosphorus 780 g (1.1%, 25 mol) potassium 140 g (0.20%, 3.6 mol) sulfur 140 g (0.20%, 4.4 mol) sodium 100 g (0.14%, 4.3 mol) chlorine 95 g (0.14%, 2.7 mol) magnesium 19 g (0.03%, 0.78 mol) iron 4.2 g fluorine 2.6 g zinc 2.3 g silicon 1.0 g rubidium 0.68 g strontium 0.32 g bromine 0.26 g lead 0.12 g copper 72 mg aluminum 60 mg cadmium 50 mg cerium 40 mg barium 22 mg iodine 20 mg tin 20 mg titanium 20 mg boron 18 mg nickel 15 mg selenium 15 mg chromium 14 mg manganese 12 mg arsenic 7 mg lithium 7 mg cesium 6 mg mercury 6 mg germanium 5 mg molybdenum 5 mg cobalt 3 mg antimony 2 mg silver 2 mg niobium 1.5 mg zirconium 1 mg lanthanum 0.8 mg gallium 0.7 mg tellurium 0.7 mg yttrium 0.6 mg bismuth 0.5 mg thallium 0.5 mg indium 0.4 mg gold 0.2 mg scandium 0.2 mg tantalum 0.2 mg vanadium 0.11 mg thorium 0.1 mg uranium 0.1 mg samarium 50 g beryllium 36 g tungsten 20 g

The Treasury Department s Actions - 806 Words

The Treasury Department’s Actions During the largest recession the United States has seen since the great depression, the Treasury Department sprung into action to stave off another depression. Within a short period of time after the housing bubble burst, financial institutions started to fail. Credit and liquidity virtually vanished within days. The government was forced to react quickly to thwart a complete financial collapse. An estimate from the public interest group Better Markets has calculated the cost of the recession close to $12.8 trillion (Puzzanghera, 2012). This number is criticized since it includes losses in economic output, GDP, and bail-outs, while home equity losses and consumer net wealth are not. This figure does give a good idea of the magnitude of the Treasury Department’s actions. A multitude of industries, and companies received direct financial aid. The government identified key economic areas where policies were needed, and provided credit and liquidity for growth in those are as. The quick response of the Treasury Department helped in reducing the negative effects of the financial crisis. The three economic theories that I identified in this financial crisis consist of classical economics, Keynesian economics, and aggregate market (AS-AD) analysis. There was also a fear of monetarism which has not come to fruition at this time. Economic Theories Classical economics is considered one of the original economic theories. It is based on theShow MoreRelatedThe Division Of Foreign Assets Control773 Words   |  4 Pagesâ€Å"The Division of Foreign Assets Control was established in the Office of International Finance by a Treasury Department order in 1950, after People s Republic of China entered the Korean War. 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High School vs. University Free Essays

Every September, high school graduates must prepare for the drastic transformation from high school to university. High school is a teaching environment which a student acquires facts and skills. University is a learning environment in which a student must take responsibility for thinking and applying what you have learned. We will write a custom essay sample on High School vs. University or any similar topic only for you Order Now This step in life students will either adjust to or struggle with. High school students are told university life is exciting, unpredictable, and entertaining. Also, students are informed university life is costly, demanding, and stressful. In order to adapt to the transition, students must understand and recognize the different teaching styles, testing, and grading. Teaching styles change as class sizes vary. Teachers in High school cover course material in depth and over a long period of time. Professors cover textbook material quickly. High school teachers check homework, remind students of incomplete work, and approach students if assistance is needed. Professors do not check completed homework and will assume students can complete the same tasks on tests. It is left up to the student to communicate with their professors in order to receive extensions ensuring the student will not be penalized. Professors do not approach students or notice students who are struggling. Therefore, students may approach professor in given office hours for one-on-one help. Finally, in university due to large class sizes and minimal lecture time keeping up with assignments and readings is critical. Cramming the night before a test and receiving a good grade is more likely to occur in high school, where testing in subjects is very frequent. Preparation for testing becomes more crucial in university because tests are infrequent, covering large amounts of material. Also, students in high school may be awarded a make up test normally without an explanation. Whereas in university, in order to receive a make up test a reasonable explanation must be given. Review classes are given in high school to help prepare students and give them a clear idea of the material that will be tested. Rarely, are review sessions provided for university students, if they are, professors expect participation from students who attend. Success on tests can be mastered by applying acquired knowledge to new situations or to solve new problems. The grading system becomes very important as students enter university. High school students are used to courses that are usually structured to a â€Å"good-faith effort†. In high school grades are given for most assignments. Students are also given grades for consistently good homework, which may help boost marks when test grades are low. Students who may not have a good overall mark occasionally have the opportunity to complete extra credit projects. Comparing this to university grades on tests and major papers usually provide most of the course grade. Extra credit projects are not normally allowed to raise a grade in a university course. Therefore, the â€Å"good-faith effort† is important in regard to the professor’s willingness to help students achieve good results; it will not substitute for results in the grading process. Adjustment is required for a high school graduate to be successful in university. Before entering university, high school students must be aware of these differences. Therefore, they must know how to adapt to new teaching styles, to successfully prepare themselves for testing, and the changes in grading systems. Recognizing these differences before entering a university can help prepare students for greater success. How to cite High School vs. University, Essay examples